MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in installation. These circular connectors, compliant with military specification MIL-DTL-38999 I, ensure reliable performance in a wide range of applications. Operating between -65 °C and 200 °C, they are suitable for extreme conditions. Constructed with high strength aluminum shells and available in various plating options, including RoHS certified finishes, they guarantee durability and environmental protection. The use of M39029 rear release crimp contacts ensures secure connections, making them ideal for critical systems. With a contact plating of gold and a contact size of 20(7), these connectors deliver excellent conductivity and mating reliability. Whether for aerospace, defense, or industrial use, the MIL-DTL-38999 I connectors are a trusted solution for demanding environments.